Unlockables

Shadow mode

Successfully complete a mission in Normal Story mode. You can now press Start at the mission selection screen in Story mode to switch to Shadow mode. This will allow you to replay the completed missions with more enemies, less items, and alternate layouts.

Rikimaru's unbreakable sword

Collect all scroll parts as Rikimaru.

Ayame's unbreakable sword Onibi

Get all of the map pieces in Stages 6 through 9 under the Normal difficulty. Alternately, collect all scroll parts as Ayame.pgovmam brs dbdwolinh utol

Ninja Tabi '08

Successfully complete Story mode.

Three random endless items

Get all mask parts as Rikimaru.

Oni mask

Get all mask parts as Rikimaru and Ayame. Wear it to use Onikage. If equipped with a sword he will wield an unbreakable large sword that does a big amount of damage.